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Analysis
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max time kernel
152s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
11/10/2022, 09:31
Static task
static1
Behavioral task
behavioral1
Sample
ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe
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Size
204KB
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MD5
123ca854a66c8fc2d1a416a91e4aa620
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SHA1
2a349e8e99fc86b3ac4fec97aa65c8f425f879da
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SHA256
ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87
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SHA512
ca0234bd5381c630d6257e37d52afff43401d8dbe265fffe0a37de7a9cd01dd4cd8bc2f75ce0fc48105e78e4be92774b79ca740e3c0e6c99ce541c90cae8f499
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SSDEEP
1536:IU+OoSHo1vzxHwxWVJxNy3tQ9CW5EZWHakMwP9W6uXNh9h1AWa11GBPIdRONd+wd:BHo1/V50tQ9nLHbB9WTk9+JgqmlZ2N
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" xaaasa.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe -
Executes dropped EXE 1 IoCs
pid Process 2916 xaaasa.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /k" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /i" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /d" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /e" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /v" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /b" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /a" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /h" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /x" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /o" xaaasa.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /j" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /y" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /z" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /u" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /n" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /t" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /s" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /l" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /m" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /w" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /c" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /q" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /r" ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /g" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /f" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /p" xaaasa.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaaasa = "C:\\Users\\Admin\\xaaasa.exe /r" xaaasa.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 864 ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe 864 ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe 2916 xaaasa.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 864 ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe 2916 xaaasa.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 864 wrote to memory of 2916 864 ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe 85 PID 864 wrote to memory of 2916 864 ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe 85 PID 864 wrote to memory of 2916 864 ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe"C:\Users\Admin\AppData\Local\Temp\ab458511f84fa6e90196aa253b46a927a49512d57f6ab35535a612e609e80c87.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:864 -
C:\Users\Admin\xaaasa.exe"C:\Users\Admin\xaaasa.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2916
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
204KB
MD5994d21b419b879a6bb20f072a665ec07
SHA1a60e9a82dff9d84d49b7102c0c41788ac9501b94
SHA256338df1163e61a4d6df21e023c1e10cc27e44ddac9cbd0d45c7aff737957a671c
SHA512cc7cadbf64dfe383ff941de923f07e92e51e3bb3ca0c7420223be920ae0a4601a2e1389668329329dd6ba761586f24f01679542e1baca37a67cc3e2d008e7637
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Filesize
204KB
MD5994d21b419b879a6bb20f072a665ec07
SHA1a60e9a82dff9d84d49b7102c0c41788ac9501b94
SHA256338df1163e61a4d6df21e023c1e10cc27e44ddac9cbd0d45c7aff737957a671c
SHA512cc7cadbf64dfe383ff941de923f07e92e51e3bb3ca0c7420223be920ae0a4601a2e1389668329329dd6ba761586f24f01679542e1baca37a67cc3e2d008e7637